How does AGO select statutory boards to be audited?

AGO considers factors such as materiality of public funds managed by the statutory boards and the number of years the statutory boards have not been audited by AGO.
A Singapore Government Agency Website
AGO produces the following reports:
1. Report of the Auditor-General submitted annually to the President and presented to Parliament;
2. Audit opinion on the published financial statements of Government and statutory boards; and
3. Management letters for each audit giving details of audit observations such as internal control weaknesses, operational inefficiencies and non-compliances with rules and regulations.
These are sent to the auditees and their supervisory bodies.
The published reports are available for reference at the National Library and can be purchased from Toppan Leefung Pte Ltd.